Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Rb1 draw
6 Rb2 draw
7 Rb3 draw
8 Rb6 draw
9 Rb8 draw
10 Rc5 draw
11 Rd5 draw
12 Re5 draw
13 Rf5 draw
14 Rg5 draw
15 Ra5 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rh5 loss in 2 half-moves